Railway car pressure control valves

Details Railway car pressure control valves Railway car pressure control valves

1988-12-01

1989-11-28

Cohan, Alan

Fluid handling

Systems

Supply and exhaust

1376275, 137 85, G05D 1600, F16K 31126

Patent

active

048830895

ABSTRACT:
A pressure control valve for railway vehicles having a variable control mechanism for adjusting the gain of the output pressure to input pressure by controlling the effective area ratio on opposite sides of a piston. A balance diaphragm disposed on one side of the piston and a control diaphragm disposed on the other side of the piston. A plurality of first radial fins carried by the piston and a plurality of second radial fins carried by the body of the control valve. The ends of the first fins are placed between the ends of the second fins so that the edges form a slant surface. Thus, at least one of the diaphragms is supported by the slanted surface of the first and second fins. A manual adjusting mechanism for varying the position of the piston of the valve for changing the ratio of the effective areas.

REFERENCES:
patent: 2716017 (1955-08-01), Linker
patent: 2825361 (1958-03-01), Seljos
patent: 2958337 (1960-11-01), Holbrook
patent: 3018136 (1962-01-01), Williams
patent: 4724859 (1988-02-01), Nakao

Affiliated with

Also associated with

Rating

Railway car pressure control valves does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Railway car pressure control valves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Railway car pressure control valves will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-576673